1278292680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6421}}^1$

素因数の和:6524

約数の個数: 192

約数和(自身を含む): 4808793600

約数和(自身を除く): 3530500920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 79, 84, 90, 105, 120, 126, 140, 158, 168, 180, 210, 237, 252, 280, 315, 316, 360, 395, 420, 474, 504, 553, 630, 632, 711, 790, 840, 948, 1106, 1185, 1260, 1422, 1580, 1659, 1896, 2212, 2370, 2520, 2765, 2844, 3160, 3318, 3555, 4424, 4740, 4977, 5530, 5688, 6421, 6636, 7110, 8295, 9480, 9954, 11060, 12842, 13272, 14220, 16590, 19263, 19908, 22120, 24885, 25684, 28440, 32105, 33180, 38526, 39816, 44947, 49770, 51368, 57789, 64210, 66360, 77052, 89894, 96315, 99540, 115578, 128420, 134841, 154104, 179788, 192630, 199080, 224735, 231156, 256840, 269682, 288945, 359576, 385260, 404523, 449470, 462312, 507259, 539364, 577890, 674205, 770520, 809046, 898940, 1014518, 1078728, 1155780, 1348410, 1521777, 1618092, 1797880, 2022615, 2029036, 2311560, 2536295, 2696820, 3043554, 3236184, 3550813, 4045230, 4058072, 4565331, 5072590, 5393640, 6087108, 7101626, 7608885, 8090460, 9130662, 10145180, 10652439, 12174216, 14203252, 15217770, 16180920, 17754065, 18261324, 20290360, 21304878, 22826655, 28406504, 30435540, 31957317, 35508130, 36522648, 42609756, 45653310, 53262195, 60871080, 63914634, 71016260, 85219512, 91306620, 106524390, 127829268, 142032520, 159786585, 182613240, 213048780, 255658536, 319573170, 426097560, 639146340, 1278292680]

約数ペア:

[(1, 1278292680), (2, 639146340), (3, 426097560), (4, 319573170), (5, 255658536), (6, 213048780), (7, 182613240), (8, 159786585), (9, 142032520), (10, 127829268), (12, 106524390), (14, 91306620), (15, 85219512), (18, 71016260), (20, 63914634), (21, 60871080), (24, 53262195), (28, 45653310), (30, 42609756), (35, 36522648), (36, 35508130), (40, 31957317), (42, 30435540), (45, 28406504), (56, 22826655), (60, 21304878), (63, 20290360), (70, 18261324), (72, 17754065), (79, 16180920), (84, 15217770), (90, 14203252), (105, 12174216), (120, 10652439), (126, 10145180), (140, 9130662), (158, 8090460), (168, 7608885), (180, 7101626), (210, 6087108), (237, 5393640), (252, 5072590), (280, 4565331), (315, 4058072), (316, 4045230), (360, 3550813), (395, 3236184), (420, 3043554), (474, 2696820), (504, 2536295), (553, 2311560), (630, 2029036), (632, 2022615), (711, 1797880), (790, 1618092), (840, 1521777), (948, 1348410), (1106, 1155780), (1185, 1078728), (1260, 1014518), (1422, 898940), (1580, 809046), (1659, 770520), (1896, 674205), (2212, 577890), (2370, 539364), (2520, 507259), (2765, 462312), (2844, 449470), (3160, 404523), (3318, 385260), (3555, 359576), (4424, 288945), (4740, 269682), (4977, 256840), (5530, 231156), (5688, 224735), (6421, 199080), (6636, 192630), (7110, 179788), (8295, 154104), (9480, 134841), (9954, 128420), (11060, 115578), (12842, 99540), (13272, 96315), (14220, 89894), (16590, 77052), (19263, 66360), (19908, 64210), (22120, 57789), (24885, 51368), (25684, 49770), (28440, 44947), (32105, 39816), (33180, 38526)]